Siemens PAD-4-MB NAC Expander Replacement BoardThe Siemens PAD 4 MB is the factory replacement control board used in all PAD 4 distributed power supplies and NAC expander kits. Swapping in this board restores the PAD 4s four supervised output circuits, two trigger inputs, on board battery charger, strobe sync generator, ANSI Temporal coding, status LEDs, and dual trouble relays without replacing the entire cabinet or power supply.

Provision to add two additional 2 door controller boards

The Wheelock EL4XST-FW is an Eluxa outdoor 4X LED strobe for wall or ceiling notification

EVAC Attention

The annunciators mount in standard North American two-gang or 4 inch square electrical boxes

Requires (4) CR123A batteries (included)

such as in an office or a classroom

No direct replacement

Edwards Electromagnetic Door Holders are ruggedly constructed and attractively designed

elevator restriction and wireless Aperio locksets

No Restocking Fee for 30 Days

System Compatibility: Compatible with System Sensor SpectrAlert Advance outdoor wall-mount speaker and speaker strobe models in white that use the MW-series weatherproof backbox

For semi-flush mount